package day1802;

public class day180201 {
    public static void main(String[] args) {
        day180202 a = new day180202();
        day180202 b = new day180202();
        day180202 c = new day180202();
        day180202 d = new day180202();

        a.start();
        b.start();
        c.start();
        d.start();

    }
}
